Android Question b4a code under save file excell

'AddPermission(android.permission.WRITE_EXTERNAL_STORAGE) ' Allows an application to write to external storage.
'AddPermission(android.permission.READ_EXTERNAL_STORAGE) ' Allows an application to read from external storage.

code under save file excell
add liberry WritableWorkbook

Sub Button1_Click

Dim newWorkbook As WritableWorkbook
newWorkbook.Initialize(File.DirRootExternal, "1.xls")
Dim sheet1 As WritableSheet
sheet1 = newWorkbook.AddSheet("name sheetMovies", 0)

Dim cell As WritableCell
Dim cell2 As WritableCell
Dim cell3 As WritableCell

cell.InitializeText(0,0,"row0,0")
cell2.InitializeText(1,0,"row-clun-1-0")
cell3.InitializeText(2,0,"row clun 2-0")
sheet1.AddCell(cell)
sheet1.AddCell(cell2)
sheet1.AddCell(cell3)
ToastMessageShow("ok",True)



'Must call write and close to save the data.
newWorkbook.Write
newWorkbook.Close
'Must call write and close to save the data.



End Sub